Design Therapeutics Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Design Therapeutics Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 2834 — Pharmaceutical Preparations
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Carlsbad
- Headquarters state / province
- California
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- DSGN
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001807120
- EIN
- 82-3929248
Board of directors
-
Arsani William · DirectorSince 2023
-
David Shapiro · DirectorSince 2026
-
Deepa Prasad · DirectorSince 2023
-
Heather A. Berger · DirectorSince 2023
-
Joao Siffert M.D. · Director · President and CEOSince 2023
- Since 2023
-
Justin D. Gover · DirectorSince 2025
-
Pratik Shah · Director · President, CEO and ChairpersonSince 2023
-
Rodney W. Lappe · DirectorSince 2023
-
Simeon George · DirectorSince 2023
-
Stella Xu · DirectorSince 2023
Chief executives
Joao Siffert M.D.
· President and CEO
Dates unknown
Pratik Shah
· President, CEO and Chairperson
Dates unknown
Director election results
Annual meeting of June 9, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
79.3%
Board connections
5 of this board's directors also sit on 12 other boards.
- via Pratik Shah
- via John P. Schmid
- via John P. Schmid
- via John P. Schmid
- via Justin D. Gover
- via Simeon George
- via David Shapiro
- via John P. Schmid
- via John P. Schmid
- via Simeon George
- via Justin D. Gover
- via John P. Schmid
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $0
- 0 sales by 0 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 13, 2025 | Arsani William Director | Open-market sale | −345,000 | $5.25 | $1,811,250 |
| Aug 13, 2025 | Arsani William Director | Open-market sale | −217,627 | $5.25 | $1,142,542 |
| Dec 18, 2024 | Deepa Prasad Director | Open-market sale | −3,806 | $6.27 | $23,864 |
| Aug 9, 2024 | Arsani William Director | Open-market sale | −814,874 | $4.25 | $3,463,215 |
| Mar 25, 2024 | Heather A. Berger Director | Open-market purchase | +1,300 | $3.74 | $4,862 |
| Mar 25, 2024 | John P. Schmid Director | Open-market purchase | +17,809 | $3.74 | $66,606 |
| Mar 22, 2024 | John P. Schmid Director | Open-market purchase | +9,156 | $3.62 | $33,145 |
| Sep 29, 2023 | Rodney W. Lappe Director | Open-market purchase | +21,000 | $2.35 | $49,350 |
| Aug 29, 2023 | Deepa Prasad Director | Open-market purchase | +12,000 | $2.31 | $27,720 |
| Aug 29, 2023 | Arsani William Director | Open-market purchase | +1,960,000 | $2.44 | $4,782,400 |
| Aug 28, 2023 | Arsani William Director | Open-market purchase | +275,000 | $2.15 | $591,250 |
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